/*
 * Copyright 2018 Expedia Group
 *
 *         Licensed under the Apache License, Version 2.0 (the "License");
 *         you may not use this file except in compliance with the License.
 *         You may obtain a copy of the License at
 *
 *             http://www.apache.org/licenses/LICENSE-2.0
 *
 *         Unless required by applicable law or agreed to in writing, software
 *         distributed under the License is distributed on an "AS IS" BASIS,
 *         WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *         See the License for the specific language governing permissions and
 *         limitations under the License.
 */

const onFinished = require('finished');
const metrics = require('./metrics');

const middleware = {};

middleware.httpMetrics = (req, res, next) => {
    onFinished(res, () => {
        metrics.meter(`http_${res.statusCode}`).mark();
    });

    next();
};

module.exports = middleware;
